diff options
| author | Gerald Schaefer <gerald.schaefer@de.ibm.com> | 2011-04-19 21:29:18 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-05-04 15:06:32 +1000 |
| commit | df1309ce955a490eac6697a41159b43e24d35995 (patch) | |
| tree | fd53613e37728e3774c3343bc31cbf7c6d983750 /drivers/crypto | |
| parent | 99d97222150a24e6096805530e141af94183b9a1 (diff) | |
| download | lwn-df1309ce955a490eac6697a41159b43e24d35995.tar.gz lwn-df1309ce955a490eac6697a41159b43e24d35995.zip | |
crypto: s390 - add System z hardware support for GHASH
This patch adds System z hardware acceleration support for the GHASH
algorithm for GCM (Galois/Counter Mode).
The hardware support is available beginning with System z196.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 78df36adbe6c..d459cc7894d9 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -151,6 +151,16 @@ config S390_PRNG ANSI X9.17 standard. The PRNG is usable via the char device /dev/prandom. +config CRYPTO_GHASH_S390 + tristate "GHASH digest algorithm" + depends on S390 + select CRYPTO_HASH + help + This is the s390 hardware accelerated implementation of the + GHASH message digest algorithm for GCM (Galois/Counter Mode). + + It is available as of z196. + config CRYPTO_DEV_MV_CESA tristate "Marvell's Cryptographic Engine" depends on PLAT_ORION |